From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-workers@zsh.org
Subject: Re: High memory usage on // substitution in one situation, normal usage in other
Date: Mon, 22 May 2017 08:50:21 +0000 [thread overview]
Message-ID: <1495443021.3874316.984296144.5B695DB8@webmail.messagingengine.com> (raw)
In-Reply-To: <170521164322.ZM5074@torch.brasslantern.com>
Bart Schaefer wrote on Sun, 21 May 2017 16:43 -0700:
> The state that is being saved includes the entire tail of the string from
> that point onward, so in the first example it requires approximately
> 1.8MB/2*(the number of zeroes in all integers from 1 to 200000),
The figure in parentheses is:
% print {1..200000} | tr -dc 0 | wc -c
88894
(So we can compute the exact predicted memory use and compare it to the
observed use.)
next prev parent reply other threads:[~2017-05-22 8:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-21 7:28 Sebastian Gniazdowski
2017-05-21 20:03 ` Bart Schaefer
2017-05-21 20:47 ` Re[2]: " Manuel Presnitz
[not found] ` <201705212227360937.046E4951@gateway.core.mpy.ch>
2017-05-21 23:43 ` Bart Schaefer
2017-05-22 3:31 ` Sebastian Gniazdowski
2017-05-22 8:50 ` Daniel Shahaf [this message]
2017-05-22 15:00 ` Bart Schaefer
2017-05-23 15:33 ` Christian Neukirchen
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